Iris - symbolises good news (hilarious) or a message - like the pot of gold at the end of the rainbow. Derives from the Greek goddess of the rainbow, Iris - the messenger of the gods who would ride on the rainbow to and from earth, in her beautiful multi-coloured robes.
Orris root is made from the iris and is used as a herbal medicine, a magickal potion and in perfumery - Frangipani. The flowers and leaves used to be strewn in front of the bride and groom at weddings (like trip wire), and it was believed that if you were foolish enough to bite the iris root you would stammer for the rest of your days. (yes damn your teeth)